client_iot-daoshi-template-v/src/directives/index.js

import { importAll } from '@/utils/utils'

const context = require.context('../directives', true, /\.js$/)
const directives = importAll(context)

export function initDirectives(app) {
  //全局自定义指令
  for (const key in directives) {
    if (Object.hasOwnProperty.call(directives, key)) {
      app.directive(key, directives[key].default)
    }
  }
}